No, but I didn't know Haskell the first time I saw a Haskell list comprehension either, and it still made perfect sense. The proposed Swift solution just looks

No, but I didn't know Haskell the first time I saw a Haskell list comprehension either, and it still made perfect sense. The proposed Swift solution just looks like Perl level line noise. The only good thing about it is the processing being done in a block at the end.